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How to select the revision number from the firmware-file

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Offline HujaWianki

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How to select the revision number from the firmware-file
« on: 14 / July / 2016, 11:14:58 »
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Hello everyone,
How can I extract the revision number from the firmware-file in an easy way?
I was looking for the rev. 101a for the EOS M3 but found a  1.0.1.
So, I would like to check if it is really 101a before I start the downgrade.
Thank you in advance.
BR, Wianki
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Offline msl

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  • A720 IS, SX220 HS 1.01a
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Re: How to select the revision number from the firmware-file
« Reply #1 on: 14 / July / 2016, 13:30:25 »
You got already the answer in the DSLR forum. The Exif tag 'FirmwareRevision' has the necessary information. 1.01 rev 1.00 means 1.01a, 1.01 rev 2.00 => 1.01b, 1.01 rev 3.00 => 1.01c ...

Please stay a little bit patient. ;)
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Offline HujaWianki

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Re: How to select the revision number from the firmware-file
« Reply #2 on: 14 / July / 2016, 15:58:28 »
Hello msl,
Many thanks!
A newbie can ask stupid questions, can’t it?
BTW,  yes,  I’m  looking forward to testing the CHDK :-)
BR, Wianki
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